iOSアプリエンジニアのためのAndroidアプリ開発

Transcript

1. iOSΞϓϦΤϯδχΞͷͨΊͷ
 AndroidΞϓϦ։ൃ

2. cockscomb

3. Hiroki Kato

4. None

5. iOSΞϓϦΤϯδχΞͷͨΊͷ
 AndroidΞϓϦ։ൃ

6. iOS Android

7. ։ൃ؀ڥ Xcode iOS Simulator App Store Android Studio Emulator Google

   Play OSS iOS Android

8. ϓϥοτϑΥʔϜ Mac (OS X) iPhone/iPad (iOS) Car Play Apple Watch

   (watchOS) Apple TV (tvOS) Phone/Tablet Android Wear Android TV Android Auto iOS Android

9. ։ൃݴޠ Swift Objective-C Java (Kotlin) iOS Android

10. Ϗϧυ xcodebuild ґଘ؅ཧ CocoaPods Carthage gradle iOS Android

11. gradle • Ϗϧυπʔϧ • build.gradleϑΝΠϧ • Android Studio͕αϙʔτ • ίϚϯυϥΠϯ͔Β΋ར༻Ͱ͖Δ

    Android

12. όʔδϣχϯά iOS 9 iOS 8 Earlier 6.0 (Marshmallow) 5.1 (Lollipop)

    5.0 (Lollipop) 4.4 (Kitkat) 4.3 (Jelly Bean) 4.2 (Jelly Bean) 4.1 (Jelly Bean) 4.0 (Ice Cream Sandwich) Android

13. API Level Version Version Code API Level 6.0 MARSHMALLOW 23

    5.1 LOLLIPOP_MR1 22 5.0 LOLLIPOP 21 4.4W KITKAT_WATCH 20 4.4 KITKAT 19 4.3 JELLY_BEAN_MR2 18 4.2 JELLY_BEAN_MR1 17 4.1 JELLY_BEAN 16 4.0.3, 4.0.4 ICE_CREAM_SANDWICH_MR1 15 4.0, 4.0.1, 4.0.2 ICE_CREAM_SANDWICH 14 Android

14. Fragmentation Earlier 9% iOS 8 24% iOS 9 67% Earlier

    4.0% Ice Cream Sandwich 3.3% Jelly Bean 29.0% Kitkat 37.8% Lollipop 25.6% Marshmallow 0.3% iOS Android

15. Fragmentation • Support Library • ࠷৽ػೳͷόοΫϙʔτ • Google Play Services

    • OSͱಠཱͨ͠API Android

16. ΞϓϦͷೖޱ UIApplicationMain Storyboard AndroidManifest.xml iOS Android

17. AndroidManifest <manifest package="info.cockscomb.myapplication"
 xmlns:android="http://schemas.android.com/apk/res/android">
 <application
 android:icon="@mipmap/ic_launcher"
 android:label="@string/app_name"
 android:theme="@style/AppTheme">
 <activity
 android:name=".MainActivity"


    android:label="@string/app_name"
 android:theme="@style/AppTheme.NoActionBar">
 <intent-filter>
 <action android:name="android.intent.action.MAIN"/>
 <category android:name="android.intent.category.LAUNCHER"/>
 </intent-filter>
 </activity>
 </application>
 </manifest> Android

18. ը໘ͷߏ੒୯Ґ UIViewController Activity Fragment iOS Android

19. Activity/Fragment • Activity • ը໘ʹͻͱ͚ͭͩ • Fragment • Activityʹ಺แͰ͖Δ Android

20. ϥΠϑαΠΫϧ UIViewController init viewDidLoad viewWillAppear viewDidAppear viewWillDisappear viewDidDisappear deinit Activity

    onCreate onStart onRestoreInstanceState onResume onPause onSaveInstanceState onStop onDestroy iOS Android

21. Activityͷ࠶ੜ੒ • Activity͸࠶ੜ੒͞ΕΔ • ը໘ͷճసͳͲͷมԽʹىҼ • ঢ়ଶΛࣦΘͳ͍Α͏ʹ࡞Δ • onSaveInstanceState •

    Parcelable Android

22. ը໘ભҠ showViewController UIStoryboardSegue Intent FragmentTransaction iOS Android

23. Intent • ৽͍͠ActivityΛελʔτͰ͖Δ • γϦΞϥΠζՄೳͳύϥϝʔλ • ଞͷΞϓϦͷActivity΋ελʔτ • ҉໧తͳIntent Android

24. Intent Intent intent = new Intent(this, MainActivity.class);
 intent.putExtra("extra_name_key", "cockscomb");
 startActivity(intent);

    Intent intent = new Intent(Intent.ACTION_VIEW,
 Uri.parse("http://example.com"));
 startActivity(intent); Android

25. Ϗϡʔ UIView View ViewGroup iOS Android

26. View/ViewGroup • View • ViewGroup • ViewΛ಺แͰ͖Δ • ಺แͨ͠ViewΛϨΠΞ΢τ͢Δ Android

27. ༷ʑͳϏϡʔ UIView View UILabel/UITextView TextView UITextField/UITextView EditText UIImageView ImageView UIButton

    Button/ImageButton UIScrollView ScrollView UITableView/UICollectionView RecyclerView UIWebView/WKWebView WebView iOS Android

28. ϨΠΞ΢τϑΝΠϧ Storyboard Nib (Xib) Layout XML iOS Android

29. Layout XML <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical">
 <EditText
 android:id="@+id/user_name"
 android:layout_width="match_parent"


    android:layout_height="wrap_content"
 android:inputType="text"/>
 <EditText
 android:id="@+id/password"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"
 android:inputType="textPassword"/>
 <Button
 android:id="@+id/login_button"
 android:text="@string/action_sign_in"
 android:layout_width="match_parent"
 android:layout_height="wrap_content"/>
 </LinearLayout> Android

30. Ϗϡʔͱͷ઀ଓ Target Action @IBAction @IBOutlet android:id OnClickListener Data Binding iOS

    Android

31. Data Binding Library <layout xmlns:android="http://schemas.android.com/apk/res/android">
 <data>
 <variable name="user" type="com.example.User"/>
 </data>


    <LinearLayout
 android:orientation="vertical"
 android:layout_width="match_parent"
 android:layout_height="match_parent">
 <TextView android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:text="@{user.firstName}"/>
 <TextView android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:text="@{user.lastName}"/>
 </LinearLayout>
 </layout> Android

32. ϨΠΞ΢τͷํ๏ Auto Layout Resizing Mask ViewGroup iOS Android

33. ViewGroup • FrameLayout • LinearLayout • RelativeLayout • GridLayout Android

34. αΠζຖͷ࠷దԽ Size Class Display Scale User Interface Idiom ໋໊نଇ ը໘ີ౓

    ີ౓ඇґଘϐΫηϧ iOS Android

35. Ϧιʔεͷ໋໊نଇ • res/layout/login.xml • σϑΥϧτ • res/layout-sw800dp/login.xml • ը໘෯͕800dpҎ্ •

    R.layout.login Android

36. ը໘ີ౓ • xxxhdpi — 4.0 • xxhdpi — 3.0 •

    xhdpi — 2.0 • hdpi — 1.5 • mdpi — 1.0 • ldpi — 0.75 Android

37. ୯Ґ • dp (ີ౓ඇґଘϐΫηϧ) • 160dpi • sp (εέʔϧඇґଘϐΫηϧ) •

    ઃఆ͞ΕͨςΩεταΠζʹൺྫ Android

38. ༷ʑͳϦιʔε Asset Catalog Strings etc. Drawable R.drawable.ic_hamburger Values R.color.darkTextColor R.string.login

    etc. iOS Android

39. Ϧιʔε • XML΍PNG • छྨຖͷσΟϨΫτϦʹஔ͘ • ϨΠΞ΢τ/ը૾/৭/αΠζ/Ξχϝʔ γϣϯ/ελΠϧ/จࣈྻ/ϝχϡʔ • R.xxx.yyy

    Android

40. Drawable • BitmapDrawable • RoundedBitmapDrawable • NinePatchDrawable • ShapeDrawable •

    VectorDrawable • AnimatedVectorDrawable • ColorDrawable • GradientDrawable • LayerDrawable • RippleDrawable • LevelListDrawable • StateListDrawable • AnimationDrawable • ClipDrawable • InsetDrawable • RotateDrawable • ScaleDrawable • PictureDrawable Android

41. ϑΝΠϧΞΫηε NSFileManager Context iOS Android

42. Context • ΞϓϦͱ֎෦؀ڥΛܨ͙ • Ϧιʔεͷऔಘ/ϑΝΠϧΞΫηε • Application/Activity/Service Android

43. Service • ը໘ͱಠཱͨ͠ॲཧ • όοΫάϥ΢ϯυͰಈ࡞Ͱ͖Δ • IntentService Android

44. ετϨʔδ File System Core Data SQLite Keychain Internal Storage External

    Storage SQLite AccountManager Key Store iOS Android

45. ݖݶ PHPhotoLibrary
 .requestAuthorization(_:) ύʔϛογϣϯ iOS Android

46. ύʔϛογϣϯ • <uses-permission android:name="android.permission.INTERNET" /> • Runtime Permissions Android

47. ڞ༗ URL Scheme Open In Document Provider Extension Intent File

    System Content Provider iOS Android

48. ςετ XCTest Unit Testing UI Testing Testing Support Library AndroidJUnitRunner

    Espresso UI Automator iOS Android

49. iOS Android